Base Total sample USA, UK, Germany, Spain, Argentina, S Korea 8522.

http://google.pn/url?q=http://okt.szilver.hu/eportfolios/2874/

http://images.google.com.my/url?q=http://region15esc.instructure.com/eportfolios/1350/

http://images.google.pn/url?q=http://gwaea.instructure.com/eportfolios/1426/


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